Gamma
Gamma (γ)
Gamma (pronounced: /ˈɡæmə/), represented by the Greek letter γ, is a term used in various fields of science and medicine.
Etymology
The term Gamma is derived from the third letter of the Greek alphabet, Gamma (γ). In the system of Greek numerals, it has a value of 3.
In Medicine
In medicine, Gamma is often used to denote various concepts and entities.
Gamma Rays
Gamma rays (γ-rays) are a form of electromagnetic radiation, similar to X-rays. They are produced by subatomic particle interactions, such as electron-positron annihilation, neutral pion decay, radioactive decay, fusion, fission or inverse Compton scattering in astrophysical processes.
Gamma Knife
The Gamma Knife is a type of radiosurgery (radiation therapy) machine used to treat brain tumors and other brain disorders. It uses focused gamma rays to treat small to medium size lesions in the brain.
Gamma Globulin
Gamma globulin is a class of proteins in the blood, identified by their position after serum protein electrophoresis. The most significant gamma globulins are immunoglobulins (antibodies).
Related Terms
- Gamma-aminobutyric acid (GABA) - a naturally occurring amino acid that works as a neurotransmitter in your brain.
- Gamma camera - a device that detects gamma radiation and creates images, allowing doctors to observe the operation of organs.
- Gamma correction - used in imaging systems to alter the output intensity of the display in relation to the input intensity.
External links
- Medical encyclopedia article on Gamma
- Wikipedia's article - Gamma
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